Home / 55,614.56-76,752.82-31,419.97

Finding the Fourth Proportional to 55,614.56, 76,752.82 and 31,419.97

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Solution

The fourth proportional to 55,614.56, 76,752.82 and 31,419.97 is: 43,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,614.56 : 76,752.82 = 31,419.97 : x
  2. Step 2: Convert to fraction form
    55,614.56/76,752.82 = 31,419.97/x
  3. Step 3: Cross multiply
    55,614.56x = 76,752.82 × 31,419.97
  4. Step 4: Simplify right side
    55,614.56x = 2,411,570,972.47
  5. Step 5: Solve for x
    x = 2,411,570,972.47/55,614.56
  6. Step 6: Final answer
    x = 43,362.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.